EP1530526B1 - Circuit for selectively producing switching signals - Google Patents

Circuit for selectively producing switching signals Download PDF

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Publication number
EP1530526B1
EP1530526B1 EP20030750416 EP03750416A EP1530526B1 EP 1530526 B1 EP1530526 B1 EP 1530526B1 EP 20030750416 EP20030750416 EP 20030750416 EP 03750416 A EP03750416 A EP 03750416A EP 1530526 B1 EP1530526 B1 EP 1530526B1
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EP
European Patent Office
Prior art keywords
user
signal
method
switching
accordance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20030750416
Other languages
German (de)
French (fr)
Other versions
EP1530526A2 (en
Inventor
Stefan Donat
Wolfgang Richter
Peter Rosenbeck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microchip Technology Germany GmbH
Original Assignee
Microchip Technology Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE10238134 priority Critical
Priority to DE2002138134 priority patent/DE10238134A1/en
Priority to DE2003105341 priority patent/DE10305341A1/en
Priority to DE10305342A priority patent/DE10305342B4/en
Priority to DE10305342 priority
Priority to DE10305341 priority
Priority to DE10315845 priority
Priority to DE2003115845 priority patent/DE10315845B4/en
Priority to PCT/EP2003/009136 priority patent/WO2004078536A2/en
Application filed by Microchip Technology Germany GmbH filed Critical Microchip Technology Germany GmbH
Publication of EP1530526A2 publication Critical patent/EP1530526A2/en
Application granted granted Critical
Publication of EP1530526B1 publication Critical patent/EP1530526B1/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20Means to switch the anti-theft system on or off
    • B60R25/2027Means to switch the anti-theft system on or off with data signals passing through the human body
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512Passenger detection systems
    • B60R21/01516Passenger detection systems using force or pressure sensing means
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00563Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/10Communication protocols, communication systems of vehicle anti-theft devices
    • B60R2325/101Bluetooth
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00388Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks code verification carried out according to the challenge/response method
    • G07C2009/00404Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks code verification carried out according to the challenge/response method starting with prompting the lock
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00777Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by induction
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00Indexing scheme relating to groups G07C9/00 - G07C9/02
    • G07C2209/60Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle
    • G07C2209/65Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle using means for sensing the user's hand

Abstract

The invention relates to a circuit for selectively producing switching signals, in particular signals used for locking vehicle doors, a vehicle provided with said circuit, a system and method for protecting areas of risk and a system, components and method for hermetically transferring validated data. For automotive engineering, it is desired that certain switching processes in or outside the vehicle like the opening of a door, the actuation of a start button or the activation of a parking brake be carried out exclusively by a driver. The aim of said invention is to develop the solutions which make it possible to advantageously produce distinctive signals for co-ordinating a switching process. For this purpose, the inventive method for generating switching signals consists in producing said signals according to the selective activation of a switching device by a user. The inventive circuit is characterised in that the device signal is emitted towards the user and is transmitted by the user during the actuation of the switching device. The switching signal is produced by said device signal. Said invention makes it possible to arrange the multifunctional switching devices in ergonomically desired areas, thereby creating a control environment which better meets the specifications.

Description

  • The invention relates to a circuit arrangement for selective switching signal generation. Furthermore, the invention also relates to a method for the selective generation of a switching signal, in particular for the control of functional components of a motor vehicle.
  • Out US-A-5811897 a method for the provision of switching signals is known in which in the context of the operation of a switching device in the user an electrical signal is coupled.
  • The invention has for its object to provide solutions that make it possible to generate in a system that can be actuated by a plurality of switching devices switching signals relevant for the coordination of switching operations in an advantageous manner.
  • This object is achieved by a method having the features specified in claim 1.
  • This makes it possible in an advantageous manner, functionally freely assignable switching devices to arrange the desired, ergonomically advantageous place and this to create a particular requirements improved bill supporting operating environment. Advantageously, compared to conventional concepts results in a significantly reduced cabling. Preferably, a plurality of switching devices are provided, wherein the switching devices are configured such that in interaction with a touch of the same signal sequences or signals are generated with different information content. This makes it possible in particular, touch-selective -. by touching the selected switching device with the index finger - to cause the signal transmission.
  • Preferably, the device signal is transmitted via the user to a central detection zone. This central detection zone can be formed in an application in the motor vehicle, for example, by a vehicle steering wheel or a seat surface electrode - which is coupled to a corresponding signal evaluation device.
  • The device signal is preferably coupled to the user based on field-electrical interaction effects.
  • The device signal advantageously contains a data telegram. The data message can serve on the one hand to identify the switching device, on the other hand, it can also contain information about the type of operation of the switching device. It is possible to provide zones at the switching device which supply different information inputs into the switching signal generated by means of the switching device. So it is possible, eg for a temperature control on the switching device to provide a graphically, in particular color-coded switching area, wherein in the switching area location-dependent, for example, from left to right changing signal contents are included in the device signal. These signal contents can be contained as a data telegram, high-frequency in the device signal, or be defined, for example, by a pulse interval of these device signals.
  • It is possible to provide a knob in the area of the switching device so that the device signal depends on the actuation, i. the rotation of the knob of the switching device is determined and generated. The device signal generated in response to the rotation of the knob may be transmitted to the user during operation of the button as part of the physical contact therewith.
  • It is possible to further influence on the switching signal generation by means of a key device carried by the wearer close to the body, in particular by generating a key signal which is likewise coupled into the user.
  • The switching signal can then be generated as a function of whether the key device is present in the area of the user and / or provides defined signal patterns. Thus, it is possible to generate certain switching signals only when the user is in a defined area, e.g. is on the vehicle seat and this also carries a key device - for example in the form of a check card-like card - in itself.
  • It is possible to perform signal interprocessing on this key device, so that at least a part of the device signals coupled into the user by the switching devices are processed in the area of the key device and the evaluation results determined in this way are input to a keyed output, e.g. find a data telegram tapped off via a seat surface or steering wheel electrode.
  • The system may be constructed such that when the switch is touched by the user to the switch means, a vibratory system is coupled thereto (by the switch means), and means are provided for detecting whether the user is coupled to that oscillatable system and depending on whether it is determined that a coupling state exists with the oscillatory system, the switching signal is generated.
  • In this case, the oscillatory system is preferably capacitively coupled to the user via a sufficiently intense contact or sufficiently close electrode device.
  • Preferably, a signal event is coupled capacitively to the user, and the switching signal is generated as a function of an event absorption capacity. The switching device can in this case form a modulated signal sink. The modulation of the sink can be switch specific. Furthermore, the modulation of the sink can be effected as a function of a signal content of the signal event coupled into the user.
  • The object specified in the introduction is also achieved by a switching system for providing switching signals in which those switching signals are generated depending on whether a switching device is selectively actuated by a user, this system being characterized in that the switching device is designed such that as part of the actuation of the switching device into the user, a device signal is coupled and transmitted by the user to a detection zone, and the detection zone is coupled to a switching signal generator which is configured to generate the switching signal based on the device input terminal of the user.
  • The switching device preferably has at least one switching contact zone. This makes it possible to generate a signal indicative of a desired switching state change. The switching device may also have a plurality of switching contact zones. This makes it possible to generate switching signals that allow, for example, a switching state selection in a setting range.
  • The switching device can sensor surfaces or manually operable switching means such. Having rotary knobs wherein depending on the manual operation of the switching means that manual
  • Operation invoice-bearing device signals can be generated and coupled into the user.
  • The switching device can be attached for example in the form of plug-in or adhesive switching means with integrated coding circuits in the dashboard area or on a shift lever.
  • The invention also extends to a switching system for providing switching signals in which those switching signals are generated in dependence on whether a switching device provided in the region of a user environment is selectively actuated by a user who is characterized in that the switching device is designed in such a way that in that, as part of the actuation of the switching device, a device signal is coupled into the user and transmitted to a detection zone by the user, and the detection zone is coupled to a switching signal generator which generates the switching signal on the basis of the device input terminal coupled to the user.
  • Advantageously, in this case, the user or operator can be identified by this is included on a seat in the switching system. To do this, weak signals must be routed into the seat via the switch, the (pointing) fingers and the body of the operator. This is advantageously done capacitively with AC signals.
  • For example, a switch or sensor button at a port is connected to a signal source that feeds a kilohertz frequency into it. In the operator's seat is a conductive surface that can receive the signal when it touches the switch and thus transmits the signal (capacitive) via his finger on his skin (so-called body bridge). This then forms the capacitive counter surface to the seat. An existing in the seat heating foil can be used for example as a receiving surface. A receiver connected thereto detects the thus fed signal. The switch also fulfills its intended function.
  • Further details and features of the above-given, each realized by themselves or in combination with each other invention complexes will become apparent from the following description taken in conjunction with the drawings. It shows:
  • FIG. 1
    a schematic representation for explaining a first circuit variant;
    FIG. 2
    a schematic representation for explaining a first circuit variant;
    FIG. 3
    a schematic representation for explaining a first circuit variant;
    To Figure 1 - simple operating principle
  • An inventive particularly advantageous way to identify the operator is to include him and his sitting position in the switching process. For this purpose, weak signals are routed into the seat via the switch, the fingers (pointing) and the operator's body. This is done capacitively with AC signals.
  • A switch or sensor button is connected at a port to a signal source which feeds a kilohertz frequency into it. In the operator's seat is a conductive surface that can receive the signal when it touches the switch and thus transmits the signal (capacitive) via his finger on his skin (so-called body bridge). This then forms the capacitive counter surface to the seat. An existing in the seat heating foil can be used for example as a receiving surface. A receiver connected thereto detects the thus fed signal. The switch also fulfills its intended function.
  • To Figure 2: - extended functional principle
  • In order to reduce the (wiring) effort and to differentiate the use of multiple sensor / button / switches, the generator signal is applied to a conductive surface, e.g. led in the dashboard. At the
  • Touching an overlying sensor closes (across the skin of the operator and the seat foil) an AC circuit; in the relevant sensor, the AC voltage is rectified and stored in a capacitor. With this DC voltage, a register containing an identification number, bit by bit to an electronic (high-side) switch out, which changes the load on the AC circuit. A suitable receiver detects the identification number and forwards it to the control unit, which performs the switching operation.
  • To. FIG. 3:
  • An area of a car dashboard is provided with a conductive foil from the underside. Above this surface, several of the above-described functional encoders are mounted, e.g. magnetic or glued on. The encoders all have different identification numbers. When touching such a sensor, the "body bridge" is closed again by the operator and evaluated by the receiver via its seat. If a receiver is also connected to the passenger seat, e.g. the operation of function switches on the center console, such as for light, heating, seat adjustment, etc. assigned to the respective operator (driver or front passenger). In addition to the low installation costs so switches are saved and increased comfort.
  • Practical side effects and other benefits
  • The approach of a hand can be detected even before the actual operation of the sensor, because it absorbs the "aura" of the frequency electric field of the foil, which is fed by the generator. This can be used, for example, to illuminate the corresponding spot on the dashboard. In addition, the seat occupancy can be determined to turn off, for example, unoccupied passenger seat whose airbag. The generator frequency can also be used only as a "supply" for the sensor buttons, these can then provide a separate frequency when touched is modulated with the identification code. The sensor buttons can also be operated with gloves. The switching state of the function buttons can be displayed in the field of vision of the driver. The function buttons are freely and individually positionable in the area of the feed foil, also a positioning on the steering wheel is possible, if this is acted upon with the feed frequency. Temporary service buttons can be used by the workshops. The signal direction can also be reversed; For example, different frequencies can be output from the seats and directed to a single receiver by touching them via the function buttons and the dashboard. The differentiation of the operator then takes place via the feed frequency.
  • applications
  • The release of an electric handbrake can only be done by the driver. A headrest can always set the correct distance to the back of the head, if the aforementioned "aura" is used for this purpose. A sales shelf can be charged with such function buttons. When a customer touches such a button, his identification number is passed through the customer to a film placed in the ground, and an electronic product presentation can be made, such as by displaying a film on the product on a display surface. Also, the operation of such a function button via the mobile phone of the operating consumer (equipped with a corresponding receiver) could be forwarded to a portal. In aircraft, a signaling and lighting system with this technology can significantly reduce the wiring effort.
  • Improved AC power supply
  • LC resonant circuits can significantly increase the level at the feed and / or function buttons.
  • The switching system according to the invention makes it possible, e.g. the selection of the gear ratio (e.g., in a Tiptronic circuit) to be permitted only by a person sitting in the driver's seat and possibly carrying a mobile key device. In particular, here is e.g. formed on a gear lever, a signal transmission surface, which allows for contact with the driver's palm - over the body of the driver, a data transfer between the mobile key device and another on-board signal processing device.
  • The mobile key device, which is preferably provided in combination with the system according to the invention, can also transmit data that can be used, for example, for user-specific configuration of the vehicle equipment. It is thus possible, for example, to output a user-specific identifier or even complete configuration data via the mobile key device, so that, for example, the driver's seat, the mirrors and further pages the user's preferred settings on the vehicle are brought about automatically.
  • The mobile key device can also be used to transmit a dataset for guiding an electronic logbook or for determining travel costs to or from a vehicle-side signal processing device.
  • It is possible to provide buttons in the vehicle interior, via which a signal transfer between the mobile key device and the vehicle-side signal processing device can be performed. In particular for buttons in the area of a vehicle center console, it becomes possible on the basis of the optionally occurring signal coupling of the signals generated by the mobile key device into the button to check whether the buttons were actuated by the authorized user or, for example, by an unauthorized passenger. It is also possible to check by means of the signal input from which driver / passenger an actuation of the buttons takes place. It is possible e.g. for driving an electric window in the area of the center console to provide a switch surface, wherein upon touching the switch surface by the driver, the driver side window, and when touching the same switch surface by the passenger, the passenger side window is controlled.
  • In order to distinguish which driver / passenger seat from a switch or switch surface is operated, it is also possible, regardless of the mobile key device in the respective passenger to couple a signal that allows a distinction. This Signaleinkoppelung can be done in particular on the seat. For this purpose, an electrode is preferably provided in the seat surface, for example in the form of a conductive, flexible fabric insert, via which seat-specific signals are coupled into the respective seat user. Parental controls can also be implemented using this concept.
  • It is possible to handle the signal transfer via the seat user so that it flows from the seat to the respective touched switching or switch surface. It is also possible, via the switch or switch surfaces in the seat user a switch specific
  • Coupling signal that can be supplied via the seat electrode for further signal processing. Even in these systems, the body of the driver / seat occupant forms part of the signal transmission path.

Claims (16)

  1. A method for the provision of switching signals in a system comprising of several switch devices, whereby the switching signals are generated depending on whether a switch device is actuated selectively by a user, whereby within the framework of actuation of the switch device a unidirectional signal is coupled with the user and transmitted by the user, and the switching signal is generated on the basis of the unidirectional signal coupled with the user whereby each switch device generates a switch device-specific unidirectional signal.
  2. A method in accordance with claim 1 and characterised by the fact that the unidirectional signal is transmitted via the user to a central registration zone.
  3. A method in accordance with claims 1 and 2 and characterised by the fact that the unidirectional signal is coupled with the user on the basis of field-electric interactive effects.
  4. A method in accordance with at least one of the claims 1 to 3 and characterised by the fact that the unidirectional signal contains a data telegram.
  5. A method in accordance with at least one of the claims 1 to 4 and characterised by the fact that the unidirectional signal is generated in dependence on the actuation of the switch device.
  6. A method in accordance with at least one of the claims 1 to 5 and characterised by the fact that a key device carried on the person of the user generates a key signal which is also coupled with the user.
  7. A method in accordance with at least one of the claims 1 to 6 and characterised by the fact that the switching signal is generated depending on whether the key device is in the proximity of the user and/or provides defined signal patterns.
  8. A method in accordance with at least one of the claims 1 to 7 and characterised by the fact the central registration takes place via a seat electrode.
  9. A method in accordance with at least one of the claims 1 to 8 and characterised by the fact that the seat electrode is integrated in a vehicle seat.
  10. A method in accordance with at least one of the claims 1 to 9 and characterised by the fact that when the user touches the switch device he is coupled with an oscillating system and that means are provided to establish whether the user is coupled with this oscillating system, and that the switching signal is generated depending on whether it is established that the user is coupled with the oscillating system.
  11. A method in accordance with at least one of the claims 1 to 10 and characterised by the fact the oscillating system is coupled with the user by capacitive means via a touch contact.
  12. A method in accordance with at least one of the claims 1 to 11 and characterised by the fact that a signal event is coupled with the user by capacitive means and that the switching signal is generated depending on the capacity to absorb an event.
  13. A method in accordance with at least one of the claims 1 to 12 and characterised by the fact the switch device forms a modulated signal sink.
  14. A method in accordance with at least one of the claims 1 to 13 and characterised by the fact that the modulation of the sink takes place on a switch device-specific basis.
  15. A method in accordance with at least one of the claims 1 to 14 and characterised by the fact that the modulation of the sink takes place depending on the signal content of the signal event coupled into the user.
  16. Circuit arrangement with several switch devices for execution of the method in accordance with one of the claims 1 to 15.
EP20030750416 2002-08-15 2003-08-18 Circuit for selectively producing switching signals Active EP1530526B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE10238134 2002-08-15
DE2002138134 DE10238134A1 (en) 2002-08-15 2002-08-15 Car door locking system, includes reception system operated by contacting component of vehicle by carrier of mobile key unit
DE10305342 2003-02-10
DE10305341 2003-02-10
DE2003105341 DE10305341A1 (en) 2003-02-10 2003-02-10 Switching signal provision procedure e.g. for operating motor vehicle functional units, requires setting up signal for coupling into user within framework of actuating a switching device
DE10305342A DE10305342B4 (en) 2003-02-10 2003-02-10 Method and device for safeguarding hazardous areas
DE2003115845 DE10315845B4 (en) 2003-04-08 2003-04-08 System, system components and method for processing a hermetically validatable data transfer
DE10315845 2003-04-08
PCT/EP2003/009136 WO2004078536A2 (en) 2002-08-15 2003-08-18 Circuit for selectively producing switching signals, in particular signals used for locking vehicle doors, a vehicle provided with said circuit, a system and method for protecting areas of risk and a system, components and method for hermetically transferring validatable data

Publications (2)

Publication Number Publication Date
EP1530526A2 EP1530526A2 (en) 2005-05-18
EP1530526B1 true EP1530526B1 (en) 2008-10-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030750416 Active EP1530526B1 (en) 2002-08-15 2003-08-18 Circuit for selectively producing switching signals

Country Status (7)

Country Link
US (1) US8665077B2 (en)
EP (1) EP1530526B1 (en)
AT (1) AT411205T (en)
AU (1) AU2003270089A1 (en)
DE (1) DE50310654D1 (en)
ES (1) ES2315523T3 (en)
WO (1) WO2004078536A2 (en)

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AU2003270089A1 (en) 2004-09-28
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WO2004078536A3 (en) 2005-02-24
ES2315523T3 (en) 2009-04-01
EP1530526A2 (en) 2005-05-18
US8665077B2 (en) 2014-03-04
US20060261672A1 (en) 2006-11-23
WO2004078536A2 (en) 2004-09-16

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